LDS3985PM27R_10 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

LDS3985PM27R_10

Ultra low drop-low noise BiCMOS 300 mA voltage regulator for use with very low ESR output capacitor

STMicroelectronics 

Pin configuration

2

Pin configuration

LDS3985xx

Figure 2. Pin connections (top view for SOT23-5L, top through view for DFN6)

SOT23-5L

DFN6

Table 2. Pin description

Pin n° for Pin n° for

SOT23-5L DFN6

Symbol

Name and function

1

1

VI

Input voltage of the LDO

2

5

GND Common ground

3

6

VINH

Inhibit input voltage: on mode when VINH ≥ 1.2 V, off mode when VINH ≤

0.4 V (Do not leave floating, not internally pulled down/up)

4

4

BYPASS

Bypass pin: connect an external capacitor (usually 10 nF) to minimize

noise voltage

5

3

VO

Output voltage of the LDO

-

2

N.C. Not connect

4/20

Doc ID 11039 Rev 7

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